Shear thinning hydrogels are majorly employed in biomedical and cosmetic industry. However, the application of such chemically modified hydrogels is limited due to their high gelation time and chemical toxicity. The present study attempts to address these issues by synthesizing a novel quick setting, non-toxic hydrogel composed of biodegradable polysaccharides, levan and gellan. Comprehensive rheological analysis was conducted to understand the shear thinning and self-healing behaviour of the hydrogel. Frequency sweeps indicated that remarkable mechanical properties were exhibited by the composite hydrogels. Furthermore, the hydrogel exhibited an ease of injectability as demonstrated by strain sweep experiments. This study can, therefore, act as a pioneer for establishment of natural polysaccharide-based shear thinning hydrogels for possible application in various sectors.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.ijbiomac.2020.05.119 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
A simple model of the rheological curve of HPAM solutions at different temperatures.
Sci Rep
December 2024
Laboratorio de Fluidodinámica, Facultad de Ingeniería, Universidad de Buenos Aires/CONICET, Paseo Colón 850 CABA, Buenos Aires, Argentina.
The oil and gas industry faces two significant challenges, including rising global temperatures and depletion of reserves. Enhanced recovery techniques such as polymer flooding have positioned themselves as an alternative that attracts international attention thanks to increased recovery factors with low emissions. However, existing physical models need further refinement to improve predictive accuracy and prevent design failures in polymer flooding projects.
View Article and Find Full Text PDF3D Bioprinting of Graphene Oxide-Incorporated Hydrogels for Neural Tissue Regeneration.
3D Print Addit Manuf
December 2024
Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, Hong Kong.
Bioprinting has emerged as a powerful manufacturing platform for tissue engineering, enabling the fabrication of 3D living structures by assembling living cells, biological molecules, and biomaterials into these structures. Among various biomaterials, hydrogels have been increasingly used in developing bioinks suitable for 3D bioprinting for diverse human body tissues and organs. In particular, hydrogel blends combining gelatin and gelatin methacryloyl (GelMA; "GG hydrogels") receive significant attention for 3D bioprinting owing to their many advantages, such as excellent biocompatibility, biodegradability, intrinsic bioactive groups, and polymer networks that combine the thermoresponsive gelation feature of gelatin and chemically crosslinkable attribute of GelMA.
View Article and Find Full Text PDFEvaluation of rheological properties of guar gum-based fracturing fluids enhanced with hydroxyl group bearing thermodynamic hydrate inhibitors.
Int J Biol Macromol
December 2024
Department of Petroleum Engineering, School of Energy Technology, Pandit Deendayal Energy University, Gandhinagar, Gujarat 382426, India. Electronic address:
Naturally occurring gas clathrates are a significant methane resource-the primary component of natural gas, regarded as the cleanest hydrocarbon and a key feedstock for producing gray and blue hydrogen. Despite the global abundance of gas hydrate reserves, extraction via depressurization has yet to achieve commercially viable production rates. The primary limitation lies in the low permeability of hydrate-bearing sediments, where solid clathrates obstruct porous pathways, hindering dissociation and slowing gas recovery.
View Article and Find Full Text PDFRheology of dilute and semi-dilute non-Brownian suspensions made of irregular porous particles in a Newtonian fluid.
J Colloid Interface Sci
December 2024
Dept. of Engineering, University of Campania Luigi Vanvitelli, Real Casa dell'Annunziata, via Roma 29, 81031 Aversa, CE, Italy. Electronic address:
Hypothesis: The porosity affects the rheological response of porous particle suspensions.
Experiments: Non-Brownian suspensions of porous particles immersed in a Newtonian Polyisobutene are investigated. Three different particles, with different porosity, pore structure and similar size, and non-porous irregular particles are used.
Rheological Properties and Physical Stability of Aqueous Dispersions of Flaxseed Fibers.
Gels
December 2024
Departamento de Ingeniería Química, Escuela Politécnica Superior, Universidad de Sevilla, E41011 Sevilla, Spain.
The main objective of this work is to investigate the influence of shear on the rheological properties and physical stability of aqueous dispersions of flaxseed fiber. The variable to consider will be the homogenization rate in two different rotor-stator homogenizers, Ultraturrax T50 or T25. In order to achieve the proposed objective, small amplitude oscillatory tests, flow curves, and multiple light scattering measurements were carried out.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!